Anode and Method for Its Manufacture

Simple SummaryContent extracted from patent full text and abstract with AI.

The invention is a new type of anode for rechargeable lithium-ion batteries, consisting of a polymer structure made from specific triazine-based monomers, silicon nanoparticles, and copper foil. This advanced anode achieves high lithium storage capacity (above 800 mAh/g, potentially up to 2000 mAh/g), retains performance across many charge-discharge cycles, and withstands high-rate charging/discharging. Additionally, the manufacturing process is more straightforward, requiring fewer steps compared to current methods.

Use CasesContent extracted from patent full text and abstract with AI.

• Next-generation lithium-ion batteries for electric vehicles (EVs) to increase driving range and durability.
• High-performance batteries in consumer electronics such as smartphones, laptops, and tablets, supporting longer usage between charges.
• Grid-scale energy storage systems for renewable energy integration, needing high lifespan and capacity.
• Wearable devices and Internet of Things (IoT) applications demanding compact, long-life batteries.
• Power tools, drones, and robotics, where lightweight, high-capacity, and fast-charging batteries are crucial.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly increases lithium-ion battery energy density, enabling longer battery life and more power storage.
• Maintains high capacity and efficiency even after many charge-discharge cycles, improving battery lifespan.
• Withstands high charging/discharging rates (fast charging), beneficial for electric vehicles and devices requiring rapid energy input/output.
• Simplifies the anode manufacturing process—fewer steps and no need for pressing, potentially lowering production costs and enhancing scalability.
• Utilizes silicon nanoparticles, which have much higher theoretical capacity than traditional graphite anodes, and advanced polymer matrices for stability.
• Improved mechanical stability and integration of components reduce the risk of anode degradation and capacity loss.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a rechargeable lithium-ion battery anode comprising the components of: a polymer structure, copper foil, and silicon nanoparticles, wherein the polymer structure is made of a monomer, and the polymer structure consists of a 1,3,5-triazine core (1) and a bridge (2) which functions as an electron donor. The bridge contains at least one aromatic or heteroaromatic element (3), and the monomer which makes up the polymer structure is selected from: - 2,4,6-tris(4-ethinylphenyl)-1,3,5-triazine and - 2,4,6-tris(5-ethinylthiophene-2-yl)-1,3,5-triazine. The invention additionally relates to a method for producing a rechargeable lithium-ion battery anode.